<template>
  <header class="header">
    <h1>todos</h1>
    <input id="toggle-all" class="toggle-all" type="checkbox" />
    <label for="toggle-all"></label>
    <input class="new-todo" v-model.trim="title" @keyup.enter='onAdd' placeholder="输入任务名称-回车确认" autofocus />
  </header>
</template>

<script>
export default {
  data () {
    return {
      title: ''
    }
  },
  created () {},

  methods: {
    onAdd () {
      if (this.title === '') return alert('请输入信息')
      this.$emit('onAdd', this.title)
      this.title = ''
    }
  }
}
</script>

<style scoped lang="less"></style>
